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Which of the following reactions can be used to prepare the compound below? Ph ? Ph...
Which of the following reactions can be used to prepare the compound below? ? Ph Ph Select one or more: Pd(PPhz)ą, KOH + Br Ph Ph-B(OMe)2 Ph Ph ? a. Ph + Ph-Br Pd(PPhz)4, Et N ? Ph Ph b. (1) Li, hexanes (2) Cul ? Br Ph Ph-Br Ph Ph ? o C. Ph Grubbs catalyst ? Ph Ph d. Ph-Br, B-H Pd(PPhz)4, KOH Ph- Ph ? ? Ph. e.
Which of the following reactions can be used to prepare the compound below? Ph ? Ph Select one or more: B-H Ph-Br, Pd(PPhz)4, KOH ? Ph Ph ? a. Ph (1) Li, hexanes (2) Cul ? Ph Br Ph Ph-Br ? b. Ph 0 Pd(PPhz), KOH Ph + Br Ph Ph-B(OME)2 ? c. Ph Ph Ph + Ph-Br Pd(PPhz)4, Et N ? Ph Ph Ph Grubbs catalyst ? e. Ph
Which of the following reactions can be used to prepare the compound below? ? Ph Ph Select one or more: (1) Li, hexanes (2) Cul ? Br Ph Ph-Br Ph Ph ? a. Ph + Ph-Br Pd(PPh.)., Et N ? Ph Ph b. Ph Grubbs catalyst ? Ph Ph c. Pd(PPh ).. KOH BO Ph Ph-B(OME) Ph d. ? Ph BH Ph-Br Pd(PPh ). KOH Ph ? Ph Ph e
The scheme below shows the synthesis of an antihypertensitive agent (drug used to treat high blood pressure). Answer the questions that follows. a Br 1 Br CI с CO Me + Meo H2NCO Me (Question 3) B OME CN CN CN CN 6 2 3 4 5 CO Me CO Me Buz SnNz d Final product (9) (1) KOH, heat (2) H+ work up partial hydrolysis (Question 4) CAH, CAH, CN 7 NH NEN 8 Question 1 Select the best...
Which of the following reagents can be used to prepare the compound below? + ? OPh (1 equiv.) Select one or more: O a. Pho OP b. H2N OP C. CI COPh , pyridine d. H OPh e. Pho OEt
Which of the following reagents can be used to prepare the compound below? NH2 ? OET (1 equiv.) + Select one or more: O a. H2N OE b. OEt , pyridine C. Pho OEt i d. Eto OEt i e. H OEt
Draw the structure of the MAJOR ORGANIC compound formed in each reaction. Assume the reactions have been terminated and neutralized. a. Ethyl acetate NaOEVEtOH b. EtO C-CH2-CH2-CH2-CH2.CO2Et NaOEU/HOEt Ph-C(O)-CI c. (HaC).CH-CO2Et LDATHF + HO. d. Ethanal Ph-C(O)-H Ha0* (cat) e. Acetone + H2C O + Et NH f. Triethylamine HBr/H2O g. Ph-C(O)-NH2 + Br2 4 NaOH h. (H,C)2CH-C(CH)2 + N(CHs)s HO i.Ph-N2, Cl- CuCN- Na/E1OH HaO* (cat) j. cyclohexanone H2NOH Pd(OAc)2 (1 mole%) k. Ph- 4-O2N-CeHe-HC=CH2 Cul/Pd(PPhale L.HO-CH2-CH2-C-H1-CH-CH-(CH2),-CHg
Do all work on this paper. 1. The compound below on the left has a much higher melting point than its isomer on the right. Explain. (4 points) Tronohon o llottobu 2. Strong acids always protonate amide oxygens and never protonate amide nitrogens. Provide two reasons that explain this fact (4 points). 3. Draw the complete mechanism of the reaction below and indicate the location of "O in the product. (6 points). CH, + 1 equivalent of KOH in water...
Can you please explain why For each compound below, circle the letter which corresponds to the best description of its reactivity in electrophilic aromatic substitution (a) More reactive than Ph-OMe (b) More reactive than Ph-O-CO-Me but less than PhoMe (c) More reactive than Ph-H but less than PhO-CO-Me (d) Less reactive than Ph-H but more than Ph-CO2H (e) Less reactive than Ph-CO2H a a b b c c d d e e 16. 17. 18. 19. Ph-NH2 is Ph-N"Mez is...
Practice Problem 23.50 Starting with cyclopentene and using any other reagents of your choice, show how you would make each of the following compounds: (a) (b) (c) HO OH Choose from the following list of reagents: c b d Pd[OAC)2, PPhy, BN NaOH, H20, heat H,0NaOH (xs) CH2CH2 f g e BHy-THF (xs) CHşlyZn-Cu. Et, BCOM) h Grubbs catalyst i k - BE Be Using the reagents above, list in order (by letter, no period) those necessary to provide each...